1. Introduction
Thank you for choosing the VAXMAY 2 Gallon Battery Powered Sprayer. This electric sprayer is designed for efficient and precise application of liquids in your lawn, garden, and around your home. Featuring adjustable speeds, multiple nozzles, and a rechargeable design, it simplifies various spraying tasks. Please read this manual thoroughly before use to ensure safe and optimal operation.
2. Important Safety Information
- Always wear appropriate personal protective equipment (PPE) such as gloves, eye protection, and a mask when handling chemicals.
- Do not spray flammable liquids or use the sprayer near open flames or sparks.
- Keep out of reach of children and pets.
- Ensure the sprayer is turned off and disconnected from the power source before cleaning or maintenance.
- Do not submerge the handle or battery compartment in water. The handle is water-resistant, not waterproof for submersion.
- Use only the provided charging cable and charger.
- Store the sprayer in a cool, dry place away from direct sunlight and extreme temperatures.
3. Package Contents
Verify that all items are included in your package:
- VAXMAY 2 Gallon Battery Powered Sprayer Tank
- Electric Sprayer Handle with Integrated Battery
- Retractable Wand
- Adjustable Shoulder Strap
- 4 Interchangeable Nozzles (6-hole pattern, cone, F-type dual, fan)
- USB-C Charging Cable
- Extra O-rings and Filters
- Measuring Cup
4. Product Overview & Features

Figure 1: Sprayer with 3 Adjustable Spray Force

Figure 2: Visual Battery Indicator and Waterproof Handle
- Adjustable Speed & Battery Indicator: The upgraded handle offers 3 adjustable speeds (Soft, Medium, Strong) and a built-in battery indicator for customized spray power and easy monitoring of battery life.
- Powerful & Precise Spraying: Equipped with an upgraded 7.4V motor and 4 adjustable nozzles (6-hole pattern, cone, F-type dual, fan) for various spraying needs, from fine mist to direct stream.
- Easy to Fill and Clean: Features two wide openings for simple filling and mixing, with a clear water tank scale to check liquid levels. Designed for quick disassembly and easy rinsing.
- Durable Construction: Made from high-density polyethylene (HDPE) and acrylonitrile butadiene styrene (ABS) for indoor and outdoor use. Ergonomic handle and filter head prevent clogs.
- Retractable Wand: The telescopic wand extends from 8.66 inches to 23.6 inches, allowing for spraying longer distances and reaching hard-to-access areas.
- Long-lasting Battery: Provides up to 3 hours of uninterrupted spraying on a single charge.

Figure 3: Included Nozzle Types

Figure 4: Sprayer Components
5. Setup Instructions
5.1 Charging the Battery
- Locate the USB-C charging port on the sprayer handle.
- Connect the provided USB-C cable to the handle and a compatible USB power adapter (not included).
- The battery indicator lights on the handle will show charging status. Charge until all lights are solid.
5.2 Assembling the Sprayer
Follow these steps to assemble your sprayer:
- Attach the Nozzle: Select your desired nozzle and screw it onto the end of the retractable wand. Tighten securely.
- Connect Wand to Handle: Attach the retractable wand to the sprayer handle.
- Connect Hose to Handle: Unscrew the nut at the tail end of the handle. Push the water hose through the screw nut, then firmly push the hose onto the handle's inlet. Tighten the nut to seal the hose pipe.
- Connect Hose to Tank: Attach the other end of the hose to the tank's outlet and tighten.
- Attach Shoulder Strap: Clip the adjustable shoulder strap to the designated loops on the sprayer tank. Adjust for comfortable carrying.

Figure 5: Sprayer Assembly Steps
5.3 Filling the Tank
- Unscrew the main cap of the tank.
- Use the wider opening with the filter screen to pour your desired liquid (water, fertilizer, weed killer, etc.) into the tank.
- Utilize the clear volume scale on the side of the tank for accurate measurements.
- Securely close the cap after filling.
6. Operating Instructions
6.1 Powering On/Off
Press the red "On/Off" button on the handle to turn the sprayer on or off.
6.2 Adjusting Spray Speed
Press the blue "Speed" button on the handle to cycle through the three spray speeds: Soft, Medium, and Strong. The indicator lights will show the current speed setting.
6.3 Using Different Nozzles
The sprayer comes with 4 different nozzles to suit various applications:
- 6-Hole Pattern Nozzle: Provides a wide, even spray for general coverage.
- Cone Nozzle: Delivers a conical spray pattern, adjustable from a fine mist to a solid stream by twisting the tip.
- F-Type Dual Nozzle: Offers two distinct spray patterns simultaneously for broader or more targeted application.
- Fan Nozzle: Produces a flat, fan-shaped spray, ideal for covering larger areas quickly.
To change nozzles, simply unscrew the current nozzle from the wand and screw on the desired one.

Figure 6: Wide Range of Applications
6.4 Official Product Video
Video 1: VAXMAY Upgraded 2 Gallon Battery Powered Sprayer in action, demonstrating features and usage.
7. Maintenance
7.1 Cleaning the Sprayer
- After each use, especially with chemicals, rinse the tank thoroughly with clean water.
- Run clean water through the pump and wand until all chemical residue is flushed out.
- Remove and clean the filter screens in the tank openings to prevent clogs.
- Clean nozzles by rinsing them under running water. Use a small brush if necessary to remove any blockages.
- Wipe down the exterior of the sprayer with a damp cloth.
7.2 Battery Care
- Recharge the battery fully after each use to prolong its lifespan.
- If storing for an extended period, charge the battery every 3-6 months to maintain its health.
- Do not expose the battery to extreme heat or cold.
7.3 Storage
Store the clean and dry sprayer in a cool, dry, and well-ventilated area, away from direct sunlight and freezing temperatures.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Sprayer not turning on | Low battery; Power button not pressed correctly | Charge the battery; Ensure the On/Off button is fully pressed. |
| No spray or weak spray | Clogged nozzle; Low liquid level; Kinked hose; Air in pump | Clean the nozzle; Refill the tank; Straighten the hose; Prime the pump by running it with water. |
| Leaking from connections | Loose connections; Damaged O-rings | Tighten all connections; Replace damaged O-rings with spares. |
| Battery indicator not working | Battery fully discharged; Internal fault | Charge the battery; If problem persists, contact customer service. |
9. Specifications
- Brand: VAXMAY
- Model Name: ST8LPRO-7.4VDXD-BU
- Tank Volume: 2 Gallons
- Color: Blue
- Material: High-density polyethylene (HDPE) and Acrylonitrile Butadiene Styrene (ABS)
- Item Weight: 3.39 pounds (1.54 Kilograms)
- Product Dimensions: 7.4"W x 11"H
- Power Source: Battery Powered (2 Lithium Ion batteries included)
- Adjustable Speeds: 3 (Soft, Medium, Strong)
- Nozzles Included: 4 (6-hole pattern, cone, F-type dual, fan)
- Wand: Rechargeable Retractable Wand
10. Warranty and Support
This VAXMAY 2 Gallon Battery Powered Sprayer comes with a worry-free 12-month warranty. For any questions, concerns, or support needs, please contact our 24/7 online service. Refer to your purchase documentation for specific contact details or visit the official VAXMAY store on Amazon.
Visit the VAXMAY Store: VAXMAY Amazon Store





